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A portable pit crew.

Tubular tires are awesome, until you get a flat and feel like leaving your wheels on the side of the road and carrying your bike home on your back. Vittoria's Pit-Stop Road Racing and Tire Repair Kit will save your punctured bacon, though, by plugging any holes with fast-acting latex foam that will seal your tubes or tires for miles and miles. You can even use it preemptively to prevent flats, if you want. The canister works with both Presta and Schrader valves, and the foam is lighter than traditional liquid sealant, so it won't slow you down when you throw it in seat bag or strap it to a seat tube.

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Useless

I was a little skeptical about this item but I wanted to try it on my clinchers. The thought of a 5 minute tire fixture versus 30 minutes replacing a tube was a no-brainer. I wanted to give it a shot. So, my back Vittoria tire and Conti tube flated and I put it to the test. The installation went well and it was super fast. I just plugged it in and gave it a slight push and it filled with foam. I gave it some time, about 10 minutes, and it was tight as a rock. It works!...not. Rode about 2 miles before I was riding on rubber and rim again. Totally useless. Never again. Ubered it home.

No product works 100% of the time, and while it says it works on butyl tubes as well as latex tubes, I have found it to be far more reliable with latex ... but even with butyl tubes, it's worked for me more often than not.

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Works well, but finicky

Familiarity: I've put it through the wringer

I'm an old-school guy. Steel. Lugs. Tubies. I never go for a ride without a spare tub toe-strapped under my saddle. I also always carry a can of Pit-Stop in a jersey pocket, because sealing the tire that's already glued to the rim is much preferred to having to peel the flat and mounting the spare, especially if the tires are well-glued (and nearly impossible to strip on the side of the road).

Pit-Stop does the job well for the most part; you do have to make sure that the can and valve-stem are both positioned properly before activating, otherwise the foam tends to spray everywhere but inside the tire.

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Small

Familiarity: I've used it once or twice and have initial impressions

Haven't had to use this yet but I was surprised at the overall size of the bottle. No mount... nothing electrical tape can't fix for mounting to the seat tube. Hope I never have to use it but certainly isn't a bother to carry around.

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It works !!

Familiarity: I've used it once or twice and have initial impressions

Just bought this as a " emergency worth a try " item . Darned if last night on our first after work bike ride of the season with some friends, my wife runs over a thorn not 10 minutes into a 2+ hour ride. Right thru her Conti Gatorskin clincher tire and tube. I thought what the heck - lets at least try this stuff. It worked - she was able to continue and do the entire ride. Pumped up her tire last night to 76 psi and just checked it this morning - still holding air. I'm going to get a few of these to always have one on hand for long rides !

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Riding Tubies? Here, Take This!

No other way to put it other than this is absolutely required for your Tubular Tires for every ride.

When you don't have the luxury of a team or wheel car behind you, this is absolutely necessary for getting home if your Tubular tires blow.

Easy to use, seals up even the gnarlier cuts and gashes that can happen, and with a shot of co2 or a few hits with your hand pump you'll be able to keep going. Nobody likes to make the desperation call for a pickup, take this and you'll be fine.

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Tubular Must Have

Familiarity: I've put it through the wringer

This works awesome for people who train daily on tubulars. If you do get a flat this will seal it up, a little CO2 and you'll be able to get back home, no problem. The pit stop canister doesn't require much pressure at all. If you do push it against the valve too hard it can deform enough to spray out the sides and cause a mess. Nice and easy, just the way it should be.

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Best for tubulars

This is the best insurance for flats. Seals up small punctures and inflates the tire as well. i just pack 2 of these and a co2 on my rides, instead of packing a pre stretched and pre glued tubular with me. Takes up a lot less room and isnt as messy as dealing with tubulars.